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Diffstat (limited to 'rubbos/app/httpd-2.0.64/server/mpm/worker/pod.c')
-rw-r--r--rubbos/app/httpd-2.0.64/server/mpm/worker/pod.c112
1 files changed, 112 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/server/mpm/worker/pod.c b/rubbos/app/httpd-2.0.64/server/mpm/worker/pod.c
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+++ b/rubbos/app/httpd-2.0.64/server/mpm/worker/pod.c
@@ -0,0 +1,112 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "pod.h"
+
+#if APR_HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+AP_DECLARE(apr_status_t) ap_mpm_pod_open(apr_pool_t *p, ap_pod_t **pod)
+{
+ apr_status_t rv;
+
+ *pod = apr_palloc(p, sizeof(**pod));
+ rv = apr_file_pipe_create(&((*pod)->pod_in), &((*pod)->pod_out), p);
+ if (rv != APR_SUCCESS) {
+ return rv;
+ }
+/*
+ apr_file_pipe_timeout_set((*pod)->pod_in, 0);
+*/
+ (*pod)->p = p;
+
+ /* close these before exec. */
+ apr_file_unset_inherit((*pod)->pod_in);
+ apr_file_unset_inherit((*pod)->pod_out);
+
+ return APR_SUCCESS;
+}
+
+AP_DECLARE(int) ap_mpm_pod_check(ap_pod_t *pod)
+{
+ char c;
+ apr_os_file_t fd;
+ int rc;
+
+ /* we need to surface EINTR so we'll have to grab the
+ * native file descriptor and do the OS read() ourselves
+ */
+ apr_os_file_get(&fd, pod->pod_in);
+ rc = read(fd, &c, 1);
+ if (rc == 1) {
+ switch(c) {
+ case RESTART_CHAR:
+ return AP_RESTART;
+ case GRACEFUL_CHAR:
+ return AP_GRACEFUL;
+ }
+ }
+ return AP_NORESTART;
+}
+
+AP_DECLARE(apr_status_t) ap_mpm_pod_close(ap_pod_t *pod)
+{
+ apr_status_t rv;
+
+ rv = apr_file_close(pod->pod_out);
+ if (rv != APR_SUCCESS) {
+ return rv;
+ }
+
+ rv = apr_file_close(pod->pod_in);
+ if (rv != APR_SUCCESS) {
+ return rv;
+ }
+ return rv;
+}
+
+static apr_status_t pod_signal_internal(ap_pod_t *pod, int graceful)
+{
+ apr_status_t rv;
+ char char_of_death = graceful ? GRACEFUL_CHAR : RESTART_CHAR;
+ apr_size_t one = 1;
+
+ do {
+ rv = apr_file_write(pod->pod_out, &char_of_death, &one);
+ } while (APR_STATUS_IS_EINTR(rv));
+ if (rv != APR_SUCCESS) {
+ ap_log_error(APLOG_MARK, APLOG_WARNING, rv, ap_server_conf,
+ "write pipe_of_death");
+ }
+ return rv;
+}
+
+AP_DECLARE(apr_status_t) ap_mpm_pod_signal(ap_pod_t *pod, int graceful)
+{
+ return pod_signal_internal(pod, graceful);
+}
+
+AP_DECLARE(void) ap_mpm_pod_killpg(ap_pod_t *pod, int num, int graceful)
+{
+ int i;
+ apr_status_t rv = APR_SUCCESS;
+
+ for (i = 0; i < num && rv == APR_SUCCESS; i++) {
+ rv = pod_signal_internal(pod, graceful);
+ }
+}
+